Yeah it is very confusing when comparing different meters. The conversions and all are a nightmare. I know that EC is more accurate because TDS is just a calculation but I found the information, like in WD's Botanicare schedule, on ppm use is more widely available to me.
JeffersonBud Reviewed by JeffersonBud on . advice please Lets get to the details for veg 3 100w CFL's running 6500k 1 small 6inch fan DWC system with 15 sites Milwaukee 3-1 ph/ec/tds meter 2 and 1/2 gal of RO water 2 6'inch airstones Rockwool cubes net baskett Rating: 5